The big boss needs a new transmission for his ’61 Bel Air, and his underlings (us) must deliver. And by big, we mean really big. TEN’s Executive Vice President of Aftermarket Automotive, Doug Evans, ...
4L80Extraordinary! - GM’s race-tested-tough, street/strip overdrive automatic from Performance Automatic is the latest in a respected pedigree GM’s 4L80E overdrive automatic is the latest in a ...